[ Subject-Verb Agreement ]
People (is / are) often ten or twenty years behind the times in their knowledge of the world.
A. Is
B. Are

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Active & Passive VoicePrepositions of Place & TimePresent Continuous TensePresent Perfect and Past SimplePast Continuous vs Past SimpleQuantifierPronouns and QuantifiersPreposition & GerundPersonal Pronouns and VerbSimple Present VS Present ContinuousOther quiz:
Grammar › ViewThe flower is really beautiful.
A. Correct
B. Incorrect
Gerund or Infinitives › View
I stopped ________ my lunch before getting back to work.
A. to eat
B. eating
Adjectives and Prepositions › ViewThe ant jumped ______ the lake.
A. under
B. into
C. to
D. of
Noun, Pronoun, Adjective, Verb › View
Which sentence contains a concrete noun?
A. The idea was innovative.
B. Her laughter echoed in the room.
C. Kindness is rare these days.
D. Justice delayed is justice denied.
